Update changelog for 8.0.6~beta7
Merge branch 'develop' onto release/8.0

Change-Id: Iec085c29cc099431a202f51b27cc7d6a91f38d56
Update changelog for 8.0.7~beta8
Update changelog for 8.0.8~rc2
Update changelog for 8.0.8~rc2.1
Merge branch 'develop' into release/8.0
Update changelog for 8.0.9